2SB

Dual Sideband

ACA

Atacama Compact Array

Composed of 16 antennas, also called "Morita" to honour a scientist who worked at ALMA

ACAS

ACA Spectrometer

ACD

Amplitude Calibration Device

ACS

ALMA Common Software

ACSOS

ALMA Calibration and Science Observing Strategies

ADA

ALMA Department of Administration

ADAPT

ALMA Data Processing Toolkit

ADC

ALMA Department of Computing

ADE

ALMA Department of Engineering

ADMIT

ALMA Data Mining Toolkit

ADO

ALMA Director’s Office

ADS

ALMA Department of Science

AFA

ALMA Frontend Archive

AIR-L

Additional Representative Images for Legacy

AIVC

Assembly, Integration, Verification and Commissioning

ALMA

ALMA Large Millimetre/sub-millimetre Array

AMG

Array Maintenance Group

AMT

ALMA Management Team

ANASAC

ALMA North American Scientific Advisory Committee

AoD

Astronomer on Duty

AOG

Array Operations Group

AOS

Array Operations Site

Located at an altitude of 5000 metres

APE

ALMA Production Environment

APO

Archive and Pipeline Operations Group

APRC

ALMA Proposal Review Committee

APS

ALMA Phasing System

AQUA

ALMA Quality Assurance Tool

ARC

ALMA Regional Centre

ARP

ALMA Review Panel

ALMA Science Archive

ASAC

ALMA Scientific Advisory Committee

ASC

ALMA Support Centre

ASDM

ALMA Science Data Model

ATAC

Advanced Technology ALMA Correlator

ATF

ALMA Test Facility

ATM

Atmospheric Transmission of Microwaves

AUI

Associated Universities Inc.

Corporation mandated by the NSF to manage NRAO in the USA and ALMA in Chile

B2B

Band-to-Band

BARY

Barycentric Reference Frame

BB

Baseband

BDF

Binary Data File/Format

BLC

Baseline Correlator

BRAIN

Bayesian Reconstraction with Adaptive Image Notion

BWSW

Bandwidth Switching

CARTA

Cube Analysis and Rendering Tool for Astronomy

CASA

Common Astronomy Software Applications package

CCA

Cold Cartridge Assemblies

CDP

Correlator Data Processor

CfP

Call for Proposals

CIP

Correlator and Integration Processor

CLAI

Cluster-ADATP Interface Tool

CLO

Central Local Oscillator

CLT

Chilean Local Time

Co-I

Co-Investigator

co-PI

Co-Principal investigator

CoDR

Conceptual Design Review

CONICYT

Comisión Nacional de Investigación Científica y Tecnológica

CORBA

Common Object Request Broker Architecture

CoSDD

Conceptual System Design Description

CRD

Central Reference Distributor

CS

Contact Scientist

CSV

Comissioning Science and Verification

DCG

Differential Gain Correlator

DDT

Director's Discretionary Time

DFP

DTS-Rx and FFT Processor

DGCK

Digital Clock

DM

Data Model

DMG

Data Management Group

DPCG

Data Processing Coordination Group

DPDA

Data Processing, Distribution and Accessibility

DRRUP

Data Rate Ramp-up

DRX

Data Receiver Module

DSB

Double Sideband

DSO

ALMA Department of Science Operations

DTAS

Data Transfer and Archive Storage

DTS

Data Transmission System

DTS-Rx

Data Transmission System Receiver

DTX

Data Transmission Module

EAASC

East Asia ALMA Support Center

EASAC

East Asian Scientific Advisory Committee

EASC

European ALMA Support Center

EB

Execution Block

EHT

Event Horizon Telescope

EHTC

Event Horizon Telescope Consortium

EoC

Extension of Capabilities

EPO

Education and Public Outreach

ES

Early Science

ESAC

European Scientific Advisory Committee

ESG

Engineering Services Group

ESO

European Southern Observatory

FDM

Frequency Division Mode

FEIC

Front End Integrated Center

FITS

Flexible Image Transport System

FLOOG

First LO Offset Generator

FOV

Field of View

FWHM

Full Width at Half Maximum

FX

Fourier Transform correlation type correlation

FXF

Filtering, Correlation, and Fourier transform type correlator

GMVA

Global Millimeter VLBI Array

GOUS

Group Observation Units Set

GUI

Graphical User Interface

HPBW

Half Power Beam Width

HST

Hubble Space Telescope

I-TRAIN

Interactive Training in Reduction and Analysis of INterferometric data

ICT

Integrated Computing Team

IDT

Integrated Development Team

IEPOT

Integrated Education and Public Outreach Team

IET

Integrated Engineering Team

IF

Intermediate Frequency

IMG

Infrastructure Maintenance Group

IPT

Integrated Product Team

ISOpT

Integrated Science Operators Team

IST

Integrated Science Team

IXT

Integrated Operations Teams

JAO

Joint ALMA Observatory

In charge of the operations of ALMA in Chile

KASI

Korea Astronomy and Space Science Institute

KPI

Key Performance Indicator

LAS

Largest Angular Scale

LLC

Line Length Correlator

LO

Local Oscillator

LSB

Lower Sideband

LSRK

Local Standard of Rest Kinematic

LST

Local Sidereal Time

MD

Mixed De-Tuned or Mixed De-Biased

MDR

Manual Data Reduction

MFS

Multi-frequency Synthesis

MOST

Ministry of Science and Technology in Taiwan

NAOJ partner for ALMA

MoU

Memorandum of Understanding

MOUS

Member Observation Units Set

MRS

Maximum Recoverable Scale

MS

Measurement Set

MTMFS

Multi-term multi-frequency synthesis

NAOJ

National Astronomical Observatory of Japan

NASC

North American ALMA Support Center

NED

NASA/IPAC Extragalactic Database

NGAS

Next Generation Archive System

NINS

National Institutes of Natural Sciences of Japan

NRAO

National Radio Astronomy Observatory of USA

NSF

National Science Foundation of the USA

OMT

Ortho-mode Transducer

OSF

Operations Support Facility

Located at an altitude of 2900 metres

OST

Observation Support Tool

OT

Observing Tool

OTF

On-the-fly

OUS

Observation Unit Sets

PB

Primary Beam

PBCOR

Primary Beam Correction

PBS

Polarization Beam Splitter

PHT

Proposal Handling Team

PI

Principal Investigator

PLL

Phase Lock Loop

PLproc

Pipeline Processor

PMG

Program Management Group

ProMo

Project Mover

PSF

Point Spread Function

PWV

Precipitable Water Vapour

pyVO

python Virtual Observatory

QA

Quality Assurance

RF

Radio Frequency

RH

Request Handler

RID

Review Item Descriptions

RTO

Return to Operations

SACM

Science Archive Content Manager

SAS

Sub-array switch

SB

Scheduling Block

SCO

Santiago Central Offices

SD

Single Dish

SDPL

Single-Dish Pipeline

SEFD

Source Equivalent Flux Density

SG

Science Goal

SIMBAD

Set of Identifications, Measurements and Bibliography for Astronomical Data

SIS

Superconductor-Insulator-Superconductor mixer

SKAO

Square Kilometre Array Observatory

SLP

Spectral Line Picker

SnooPI

Snooping Project Interface

SPW

Spectral Window

SSB

Single sideband

SSR

Science Software Requirements

STE

Standard Test Environment

SV

Science Verification

TDM

Time Division Mode

TelCal

Telescope Calibration System

TFB

Tunable Filter Bank

TJ

Technical Justification

TMCDB

Telescope Monitor and Configuration DataBase

ToO

Target of Opportunity

TOPO

Topometric reference frame

TP

Total Power

Trx

Receiver Temperature

Tsys

System temperature

USB

Upper sideband

VLA

Very Large Array

NRAO radio telescope located in Socorro, USA

VLBI

Very Long Baseline Interferometry

VLT

Very Large Telescope

ESO observatory in Cerro Paranal, Chile

VO

Virtual Observatory

VOM

VLBI Observing Mode

VOTable

Virtual Observatory Table

WCA

Warm Cartridge Assembly

WSU

Wideband Sensitivity Upgrade

XF

Correlation-Fourier Transform Type Correlator